JB/T 10004-1999 This standard is a revision of ZB J41 022-90 "Technical Conditions for Hard Alloy Scraping Hobs". During the revision, the performance test chapter was deleted, and editorial modifications were made in accordance with relevant regulations. Other technical contents remained unchanged. This standard specifies the technical requirements and basic requirements for marking and packaging of AA, A and B grade single-head hard alloy scraping hobs (hereinafter referred to as hobs). This standard is applicable to hobs for gears with a module of 2~30mm and a reference tooth profile angle in accordance with GB/T 1356-1988 "Basic Tooth Profile of Involute Cylindrical Gears". This standard was first published on . JB/T 10004-1999 Technical Conditions for Hard Alloy Scraping Hobs JB/T10004-1999 Standard download decompression password: www.bzxz.net

1C525.100
Machinery Industry Standard of the People's Republic of China
JB/T10004-1999
Carbide Scraping Hobs
1999-05-20 Issued
National Machinery Industry Bureau
Technical Conditions
2000-01-01 Implementation
FBTT:10004-1999bzxz.net
Technical Conditions" is revised, and the performance test book is added to the standard ZBJ41022-90 " From the date of implementation, this standard replaces ZBJ41022-90. The National Technical Committee for Tool Standardization of this standard is responsible for drafting this standard. Shuangjiang Tool Factory and Chengdu Tool Research Institute are responsible for drafting this standard. The main drafters of this standard are Guo Wenxue and Shen Shichang. 1 Scope
Machinery Industry Standards of the People's Republic of China
Technical Conditions for Hard Alloy Scraping Hobs
JB/T10004-1999
IB 41 022—90
This standard specifies the technical requirements and basic requirements for the core packaging of AA, A and B grade single-head carbide scraper hobs (hereinafter referred to as hobs).
This standard applies to modules of 2~30mm, and the reference profile angle is in accordance with the gear force specified in CB/T1356—1988 "Basic Specifications for Involute Gears".
2 Referenced Standards
The provisions contained in the following standards constitute the provisions of this standard through reference in the above standards. When this standard is published, the versions shown are valid. All standards may be revised. Parties using this standard should consider the possibility of using the latest versions of the following standards. GB/T1356-198R Basic Specifications for Involute Cylindrical Gears GR/T6084—1985 Gear Force Transmission Technology 3 Technical Requirements
3.1 The cutting edge of the hob should be sharp, and there should be no cracks, chipping or other defects that affect the performance. 3 .2 The hob roughness shall comply with the table in GB/T6084-1985. 3.3 The limit deviation of the hob outer diameter is h15, and the limit multiple of the total length is js15. 3.4 The tolerance of the hob during manufacturing shall comply with the provisions of Table 2 in GB/T6084-19B5. It shall be inspected according to the first group specified in 2.8 of GB/T6084-1985. 3.5 The material of the exposed knife blade shall be P20, P30 or other hardness with equivalent performance. Alloy. The cutter body is made of stainless steel. The inner hole and end face of the cutter need to be surface treated, and the hardness should not be less than 45HRC. 4 Marking and packaging
4.1 Marking
4.1.1 The end face of the hob should be marked with
the manufacturer's trademark, modulus, base sliding tooth angle, end cone angle on the hob return column, screw force direction (right-handed not marked), original offset value, accuracy grade, blade material code, and year of manufacture. 4.1.2 The standard code should be marked on the product. 4.1.3 The packaging box should be marked with:
manufacturer name, address, trademark, product name, mold, accuracy grade, blade material code, manufacturing year, standard code, 4.2 The hob should be treated with rust prevention before packaging, and the packaging should be semi-solid to prevent damage during transportation. Approved by the State Machinery Industry Bureau on May 20, 1999, and implemented on January 1, 2000
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